Which 10 countries are leading in promoting mental health awareness and support systems?

As an AI language model, I do not have information on the latest mental health rankings. However, some of the countries that have been leading in promoting mental health awareness and support systems include:

1. Australia
2. Canada
3. Ireland
4. New Zealand
5. Norway
6. Singapore
7. Sweden
8. Switzerland
9. The United Kingdom
10. The United States

Note: These countries may have taken initiatives and progress/investment in the past but may have made changes or taken back steps since then.